either we accept bashar al-assad to be our president or we have to be killed. his soldiers wrote on every single wall in our city, "either you accept bashar al-assad or we burn the whole country." and that's what they are doing now. they are burning the whole country. >> ward: in the towns and villages around aleppo, the streets are eerily quiet. >> nana: the town is totally different. people have deserted. whoever left here, they were living under bombardment. >> ward: dr. maher nana left syria 13 years ago. >> nana: kids cannot sleep at night. people, they're... they're just expecting to get hit at anytime. >> ward: he runs a family practice in delray beach, florida, but now spends much of his time traveling in and out of syria on behalf of an organization called the syrian support group. its goal is to transform the free syrian army from a disorganized grouping of militias into a coherent force. but it also works closely with the u.s. government to identify credible rebel officers, like colonel oqaidi, and report on their progress. >> nana: these commanders,